Have a problem with your access?
Please, contact our technical support below:

LIVE SUPPORT

Taufik Rachmanu

Moh. Fandika Aqsa

Tondo Indra Nyata

Ansi Aflacha Putri

Aprillia Tri Wulansari

! ATTENTION !

To facilitate the activation process, please fill out the member application form correctly and completely
Registration activation of our members will process up to max 24 hours (confirm by email). Please wait patiently

In producing the high strength concrete it is needed to use the fine material that standard by ASTM as cementitious in order to minimize the porous. Ironsands contain of Fe203 = 54.31%, Si02 = 29.95%, MgO = 5.12%, specific garvity = 4.2, and size grain 80 -100 mesh has pontensial to be used as cementitious in producing the concrete. The purposes of the research herein is to determine the optimum composition of ironsands in mixing concrete. The samples of the research used are paste, mortar, and concrete silinder. The procentage of ironsands to the weight of cement is started firom 0, 10, 20, 30, 40, and 50%. Compressive strength are tested at 3, 7, 21, 28, 56, and 90 days of age. The XRD (X-ray Defaction) and SEM (Scanning Electron Microscope) tests are applied in paste sample in order to determine the reaction of ironsands. The result shows that 10% ironsands in the weight of cement can increase the quality of concrete, for paste increases about 14.78% in compressive strength compare to normal paste. Mortar increases about 20.85%, and concrete silinder increases 9.34%. The stress-strain relation for concrete with 10% ironsands increase about 10.25% compared to normal concrete. The value elastic modulus and Poisson ratio is higher 7.65% and 14.16% than the value of normal concrete.

Contributor

:

DR. IR. TRIWULAN, DEA IR. MUDJI IRMAWAN, MS

Date Create

:

10/01/2007

Type

:

Text

Format

:

pdf, 94 pages

Language

:

Indonesian

Identifier

:

ITS-Master-31000003018214

Collection ID

:

31000003018214

Call Number

:

620.136 Sur h

Source : Theses Civil Engineering RTS 620.136 Sur h, 2001

Coverage : ITS Community

Rights : Copyright @2001 by ITS Library. This publication is protected by copyright and permission should be obtained from the ITS Library prior to any prohibited reproduction, storage in a retrievel system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permission(s), write to ITS Library